<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>css</title>
		<link rel="stylesheet" type="text/css" href="css/mycss.css"/>
		<style type="text/css">
			/*标签选择器*/
			h1{
				color: orange;
			}
			/*类名选择器：需用.来引用类名*/
			.blue{
				color: blue;
			}
			.red{
				color: red;
			}
			.bigFont{
				font-size: 50px;
			}
			.underline{
				text-decoration: underline;
			}
		</style>
	</head>
	<body>
		<h1 style="color: red;">高老师</h1>
		<h1 class="yellow">鞠老师</h1>
		<h1 class="green">秦老师</h1>
		<p class="red bigFont">段落一</p>
		<p class="underline red">段落2</p>
		<p class="underline bigFont">段落3</p>
		<p class="bigFont red underline">短螺丝</p>
	</body>
</html>
